<template>
  <el-form ref="form" :model="form" :rules="rules" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option
          v-for="item in list"
          :key="item.id"
          :value="item.username"
          :label="item.username"
        />

      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getEmployeeSimple } from '@/api/employees'
import { addDepartments, getDepartmentDetail, getDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    const validCode = (rule, value, callback) => {
      let exsitCodeList = this.originList.map(item => item.code)
      // console.log(this.originList)
      // console.log(exsitCodeList)
      // 排除自身
      if (this.isEdit) {
        exsitCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      if (exsitCodeList.includes(value)) {
        callback(new Error('编码' + value + '已经存在'))
      } else {
        callback()
      }
    }

    // 同级部门不能重复
    const validName = (rule, value, callback) => {
      // 拿到贵部门下的所有子部门
      // console.log(this.originList.filter(item => item.pid === this.id))
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)

      if (this.isEdit) {
        const pid = this.originList.find(item => item.id === this.id).pid
        existNameList = this.originList.filter(item => item.pid === pid).filter(item => item.id !== this.id).map(item => item.name)
      }
      console.log(existNameList)
      if (existNameList.includes(value)) {
        callback(new Error('名字' + value + '已经被占用了'))
      } else {
        callback()
      }
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      list: [],
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门名称要求1-50个字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门编码要求1-50个字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 300, message: '部门介绍要求1-300个字符', trigger: 'blur' }
        ]
      }
    }
  },
  // watch: {
  //   id: function(new_data, old_data) {
  //     // console.log('new_data', new_data)
  //     // console.log('old_data', old_data)
  //     if (this.isEdit) {
  //       this.loadDepartmentDetail()
  //     }
  //   }
  //   id: {
  //     handler: function(newVal, oldVal) {
  //       // 重发请求获取详情
  //       this.loadDepartmentDetail()
  //     }
  //     // immediate: true, // 页面一加载,就监听
  //     // deep: true// 深度监听
  //   }
  // },
  created() {
    // 获取下拉员工数据
    this.loadEmployeeSimple()
    if (this.isEdit) {
      // 点击编辑获取数据详情
      this.loadDepartmentDetail()
    }
  },
  methods: {
    // 重置表单
    // resetfrom() {
    //   this.$refs.form.resetFields()
    // },
    // 获取部门详情
    async loadDepartmentDetail() {
      try {
        const res = await getDepartmentDetail(this.id)
        if (res.code === 10000) {
          this.form = res.data
        }
      } catch (error) {
        this.$message.error('获取失败')
      }
    },
    // 获取下拉员工数据
    async loadEmployeeSimple() {
      try {
        const res = await getEmployeeSimple()
        this.list = res.data
        // console.log(res.data)
      } catch (error) {
        this.$message.error('获取失败')
      }
    },
    // 添加部门
    async doAdd() {
      try {
        console.log({ pid: this.id, ...this.form })
        const res = await addDepartments({ pid: this.id, ...this.form })
        console.log(res)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.$emit('success')
        // console.log(res)
      } catch (error) {
        this.$message.error('添加失败')
      }
    },
    // 编辑部门
    async doEdd() {
      try {
        const res = await getDepartments(this.form)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.$emit('success')
        // console.log(res)
      } catch (error) {
        this.$message.error('更新失败')
      }
    },
    // 确定
    hSubmit() {
      // 判断是添加还是编辑
      // this.isEdit ? this.doEdd() : this.doAdd()
      // 表单验证
      this.$refs.form.validate(valid => {
        if (valid) {
          this.isEdit ? this.doEdd() : this.doAdd()
        }
      })
    },
    // 取消
    hCancel() {
      // 通知父组件去关闭弹层
      this.$emit('close')
    }
  }
}
</script>

<style>

</style>
